JP2019029894A - Intercom system - Google Patents

Abstract

To provide an intercom system capable of suppressing elongation of time to an arrival of a receptionist at a place where an intercom slave unit that has performed calling is arranged.SOLUTION: An intercom system includes: multiple portable terminals 11; an intercom master unit 13; an intercom slave unit 12 capable of at least calling the portable terminals 11 on the basis of a predetermined calling table; and a position information system 15 for periodically acquiring position information of the portable terminals 11. A calling table is periodically re-written so as to allow the portable terminal 11 existing within a predetermined range to be called from the intercom slave unit 12 on the basis of position information.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an intercom system.

In recent years, an increasing number of cases where intercom systems compatible with IP networks are introduced into large-scale facilities such as shopping malls, factories, and airports. This type of intercom system uses a network in which communication is performed in accordance with a general-purpose protocol, and can connect a larger number of devices to the network than a system using a dedicated line (for example, patents) Reference 1).
Conventionally, for example, an interphone system including a plurality of interphone slave devices installed at the entrances of various locations in a factory, a plurality of interphone master devices respectively installed in guard rooms at various locations in the plant, and a plurality of portable terminals Has been proposed. In this system, interphone master units and portable terminals that can be called simultaneously from interphone slave units are registered in the call table in advance.

JP 2005-79857 A

For example, when guarding a large facility such as a factory at night, the number of guards is limited, so there are cases where guards patrol around the facility with the guard room temporarily vacant for security purposes.
In the conventional intercom system, the mobile terminal carried by the security guard is also configured to receive the call signal. However, if the security guard having the mobile terminal that has received the call signal is far away from the interphone on which the call operation has been performed, It took a long time for the security guard to rush to the intercom handset where there was.
As described above, in the conventional intercom system, when a person who is far from the interphone slave unit responds to a call from the interphone slave unit, the responder is placed at the place where the interphone slave unit is installed. Sometimes it took a long time to rush.

  An object of the present invention is to provide an intercom system capable of suppressing an increase in the time until a respondent rushes to a place where an interphone slave device that has been called is installed.

The intercom system according to the present invention is
Multiple mobile devices,
Interphone main unit,
An intercom handset capable of calling at least the portable terminal based on a predetermined calling table;
A location information system for periodically obtaining location information of the mobile terminal;
With
The call table is periodically rewritten based on the position information so that the mobile terminal existing within a predetermined range is called from the intercom handset.

  According to the said structure, a call table is regularly rewritten with the movement of the person who has a portable terminal. In this way, the portable terminal that can be called from the interphone slave unit is maintained within a predetermined range from the interphone slave unit. For this reason, a person who is within a predetermined range from the interphone slave unit can respond to a call from the interphone slave unit, and the time until the responder rushes to the place where the interphone slave unit is installed. Can be prevented from becoming longer.

Moreover, the intercom system according to the present invention includes:
Multiple mobile devices,
Interphone main unit,
An intercom handset capable of calling at least the portable terminal based on a predetermined calling table;
A location information system for periodically obtaining location information of the mobile terminal;
With
The call table is periodically rewritten based on the position information so that a predetermined number of the mobile terminals selected in the order from the interphone slave unit are called.

  According to the said structure, a call table is regularly rewritten with the movement of the person who has a portable terminal. In this way, the mobile terminals that can be called from the interphone slave unit are maintained at a predetermined number selected in order from the closest interphone slave unit. For this reason, a person who has a mobile terminal that is selected in the order from the interphone slave unit can respond to a call from the interphone slave unit, and the responder can respond to the place where the interphone slave unit is installed. It can suppress that the time until rushing becomes long.

In the intercom system of the present invention,
further,
Multiple cameras,
An analysis device for analyzing imaging information of the plurality of cameras;
With
The plurality of cameras and the plurality of intercom slave units are arranged in association with each other,
When detecting an abnormality from the imaging information, the analysis device may transmit a calling signal to the interphone slave unit arranged in association with the camera that has captured the imaging information.

  According to the above configuration, when the camera picks up a suspicious person or the like and the analysis device detects it, a call signal is transmitted to the interphone slave unit arranged in association with the camera. As a result, the intercom handset calls the mobile terminals around the intercom handset based on the call table that is regularly updated. For this reason, the person who is around the camera that captured the suspicious person can quickly rush to the place where the interphone slave unit is installed.

In the intercom system of the present invention,
The plurality of intercom slaves have a camera unit,
further,
An analysis device for analyzing imaging information of each of the camera units;
When detecting an abnormality from the imaging information, the analysis device may transmit a calling signal to the interphone slave unit having the camera unit that images the imaging information.

  According to the above configuration, when the camera unit of the interphone slave unit images a suspicious person or the like and the analysis apparatus detects it, a call signal is transmitted to the interphone slave unit having the camera unit. As a result, the intercom handset calls the mobile terminals around the intercom handset based on the call table that is regularly updated. For this reason, the person who exists in the circumference | surroundings of the intercom handset which has the camera part which imaged the suspicious person can rush to the installation place of the said intercom handset quickly.

  ADVANTAGE OF THE INVENTION According to this invention, the intercom system which can suppress that the time until a response person rushes to the place where the interphone cordless handset which called is installed is suppressed can be provided.

It is a schematic block diagram of the plant | facility provided with the intercom system which concerns on this embodiment. It is a schematic block diagram of the intercom system which concerns on this embodiment.

  Hereinafter, an example of an embodiment of an intercom system according to the present invention will be described with reference to the drawings. In addition, this invention is not limited to these illustrations, is shown by the claim, and intends that all the changes within the meaning and range equivalent to a claim are included.

  As shown in FIGS. 1 and 2, the intercom system 10 according to the present embodiment is introduced into a large facility 1. The facility 1 is, for example, a shopping mall, a factory, or an airport, and includes a plurality of entrances 2. In the facility 1, a specific one of the service entrances 2 is a night service entrance 2A. The service ports 2 other than the night service port 2 </ b> A are locked at a preset time and are in a state in which the service at night is restricted. The night service port 2A is a service port used by workers who work in the facility 1 at night. The facility 1 includes a guard room 3 in which a plurality of guards are stationed. In addition, the facility 1 is provided with a plurality of communication devices 16 at intervals around the facility 1.

  As shown in FIG. 2, the interphone system 10 according to the present embodiment includes a mobile terminal 11, an interphone handset 12, an interphone base unit 13, a private branch exchange 14, a location information system 15, and a communication device 16. It is equipped with. Furthermore, the intercom system 10 includes an access controller 17, a surveillance camera (an example of a camera) 18, and an analysis device 19.

  The intercom system 10 has a LAN line L, and the interphone slave unit 12, interphone base unit 13, private branch exchange 14, communication device 16, access controller 17, monitoring camera 18, and analysis device 19 are connected to the LAN line L. It is connected. In the intercom system 10, an IP (Internet Protocol) network is constructed by the LAN line L. As a result, the intercom slave unit 12, the interphone master unit 13, the private branch exchange 14, the communication device 16, the access controller 17, the monitoring camera 18, and the analysis device 19 can communicate with each other via the IP network constructed by the LAN line L. It is said that.

  The mobile terminal 11 is a communication terminal such as a smartphone or a mobile phone. The portable terminal 11 is carried by a plurality of guards who guard the facility 1. The communication device 16 is a repeater such as a WiFi (registered trademark) router, for example, and the portable terminal 11 can communicate with a device connected to the LAN line L in an area where the communication device 16 can communicate (WiFi area). Has been.

  Interphone handset 12 is installed at each entrance 2 of facility 1. The intercom handset 12 is used to call a security guard to make a call. The intercom slave unit 12 and the interphone master unit 13 are configured to be communicable via the LAN line L.

  The intercom handset 12 includes a handset microphone 21, a handset speaker 22, a call button 23, and a camera unit 24. The intercom handset 12 is for a visitor to perform a predetermined calling operation when calling a security guard, and is provided on an outer wall surface or the like in each entrance 2 of the facility 1.

  The handset microphone 21 and handset speaker 22 are used to input and output audio when a visitor makes a call with a security guard. The call button 23 is a part operated by the visitor when the visitor performs a call operation for calling a security guard. The camera unit 24 is for photographing a visitor who performs a call operation.

  The intercom base unit 13 includes a receiver 31, a base unit speaker 32, a base unit operation unit 33, and a base unit display unit 34. The interphone master unit 13 is for responding to a call from a visitor from the interphone slave unit 12, and is provided on a wall surface or the like in the guard room 3.

  The handset 31 and the main unit speaker 32 are for inputting and outputting voice when a security guard makes a call with a visitor. The base unit operation unit 33 is a part operated by a guard. Base unit operation unit 33 accepts a response operation for responding to a call from interphone slave unit 12. For example, by operating the master unit operation unit 33, it is possible to make a call with a visitor in order to respond to a call from the interphone slave unit 12, or unlock the door of the access port 2 of the facility 1. An unlocking operation is performed. The base unit display unit 34 is for displaying a video of a visitor photographed by the camera unit 24 of the intercom slave unit 12.

  The private branch exchange 14 is an exchange such as PBX (Private Branch Exchange). The private branch exchange 14 can respond to a call from the interphone handset 12 by the interphone base 13 and a predetermined mobile terminal 11 selected from the plurality of mobile terminals 11. For example, when the interphone system 10 includes ten portable terminals 11, a predetermined three of them can be answered to a call from the interphone handset 12.

  The location information system 15 is provided in the private branch exchange 14. The position information system 15 is composed of a personal computer or the like, and a storage table stores a call table. The calling table is a table used when the portable terminal 11 is selected by the private branch exchange 14. The position information system 15 periodically acquires the position information of the mobile terminal 11 and rewrites the call table based on the position information. The position information of the mobile terminal 11 is acquired via the communication device 16 arranged around the facility 1.

  In the position information system 15, the call table is periodically rewritten based on the position information so that a predetermined number of the mobile terminals 11 existing within a predetermined range are called from the interphone slave unit 12. For example, the call table is rewritten so that a predetermined number of mobile terminals 11 selected in the order from the interphone handset 12 are called based on the position information of the mobile terminal 11.

  The private branch exchange 14 and the location information system 15 are installed in a server room 4 provided in the facility 1.

  The access controller 17 is provided in each service port 2 of the facility 1. The access controller 17 unlocks the electronic lock on the door of the access port 2 by holding a security card such as a magnetic card or an IC card held by a security guard or a specific person, for example.

  The surveillance camera 18 is provided at a predetermined position including the vicinity of each entrance 2 of the facility 1. The monitoring cameras 18 are arranged in association with the interphone slave units 12 provided at the respective entrances 2. The monitoring camera 18 captures a video of the installation location and transmits the imaging information to the analysis device 19 via the LAN line L.

  The analysis device 19 constitutes a surveillance camera system together with the surveillance camera 18 and the camera unit 24 of the interphone slave unit 12. The analysis device 19 has a motion detection function, and the presence or absence of an abnormality is monitored by this motion detection function.

  Image analysis information of the video imaged by each monitoring camera 18 is transmitted to the analysis device 19. Based on the imaging information from the monitoring camera 18, the analysis device 19 monitors the presence or absence of an abnormality using a motion detection function. When the analysis device 19 detects an abnormal movement or the like in the video from the monitoring camera 18 and determines that there is an abnormality, the analysis device 19 transmits a call signal to the interphone slave unit 12 associated with the monitoring camera 18 that captured the video. To do.

  In addition, the image capturing information of the video captured by the camera unit 24 of each interphone slave unit 12 is also transmitted to the analysis device 19. The analysis device 19 monitors the presence / absence of an abnormality by the motion detection function based on the imaging information from the interphone slave unit 12. When the analysis device 19 detects an abnormal movement or the like in the video from the interphone slave unit 12 and determines that there is an abnormality, the analysis device 19 transmits a calling signal to the interphone slave unit 12 having the camera unit 24 that captured the video.

  In the facility 1 equipped with the intercom system 10 having the above-described configuration, at the preset time, the door of the access port 2 is locked so as not to pass, and the predetermined service port 2 is the night service port 2A. It becomes a mode. The call answering in the night security mode will be described.

(Normal call)
When the call button 23 of the intercom handset 12 is pressed by a visitor, a ringing tone is notified from the base unit speaker 32 of the intercom base unit 13 provided in the guard room 3. Further, along with the notification of the ringing sound in the interphone base unit 13, the calling operation is performed in a predetermined number of portable terminals 11 existing in a predetermined range from the interphone slave unit 12 on which the calling operation has been performed. These portable terminals 11 are selected based on a call table stored in the storage unit of the position information system 15. For example, the mobile terminals 11 on which these calling operations are performed are a predetermined number of mobile terminals 11 selected in the order of closeness from the interphone handset 12 on which the call operation is performed.

  Thereby, when there is a guard in the guard room 3, the guard responds to a call from the interphone handset 12 at the interphone master unit 13 in the guard room 3. In addition, when the guard is patroling and there is no guard in the guard room 3, the call cannot be answered by the interphone master unit 13, or the guard in the guard room 3 does not release the hand from the interphone master unit 13. If the call cannot be answered, the security guard who possesses the portable terminal 11 on which the call operation is performed responds to the call from the interphone slave unit 12.

  At this time, the mobile terminals 11 on which the calling operation is performed are a predetermined number of mobile terminals 11 selected in order from the interphone handset 12 on which the calling operation is performed. Therefore, the guard can quickly rush to the place where the interphone slave unit 12 where the call operation is performed corresponds to the call of the interphone slave unit 12.

(Call when abnormal)
The analysis device 19 analyzes the imaging information of the video imaged by the monitoring camera 18, and when detecting an abnormality from the imaging information, the interphone associated with the monitoring camera 18 that has transmitted the imaging information in which the abnormality has been detected. A call signal is transmitted to the child device 12.

  In addition, the analysis device 19 analyzes the imaging information of the video captured by the camera unit 24 of the interphone slave unit 12, and when an abnormality is detected from the imaging information, the camera that captured the imaging information in which the abnormality was detected A call signal is transmitted to the intercom handset 12 having the unit 24.

  When a call signal is transmitted to the intercom handset 12, a ringing tone is notified from the base unit speaker 32 of the intercom base unit 13 provided in the guard room 3. Further, along with the notification of the ringing sound in the interphone master unit 13, the calling operation is performed on the predetermined number of portable terminals 11 existing in the predetermined range selected based on the calling table from the interphone slave unit 12 to which the calling signal has been transmitted. Done. In other words, a call operation is performed on a predetermined number of portable terminals 11 selected in the order closest to the interphone slave unit 12 to which the call signal is transmitted.

  When there is a guard in the guard room 3, the guard can check the abnormality with the interphone master unit 13 in the guard room 3. In addition, when the guard is patroling and there is no guard in the guard room 3, the interphone master unit 13 cannot confirm the abnormality, or the guard in the guard room 3 does not release his hand. If it is not possible to confirm the abnormality by the security guard, the guard who has the portable terminal 11 on which the calling operation is performed can confirm the abnormality by the portable terminal 11.

  At this time, the mobile terminals 11 on which the calling operation is performed are a predetermined number of mobile terminals 11 selected in order from the interphone handset 12 to which the call signal is transmitted. Accordingly, in response to the call of the interphone slave unit 12, the security guard installs the interphone slave unit 12 associated with the monitoring camera 18 that has captured the abnormal video or the camera unit 24 that has captured the abnormal video. It is possible to quickly rush to the installation location of the intercom handset 12 equipped with.

  As described above, according to the intercom system 10 according to the present embodiment, the call table is periodically rewritten as the guard having the mobile terminal 11 moves. In this way, the portable terminal 11 that can be called from the interphone slave unit 12 is maintained within a predetermined range from the interphone slave unit 12. For this reason, a guard who is within a predetermined range from the interphone slave unit 12 can respond to a call from the interphone slave unit 12, and the security guard is located at the place where the interphone slave unit 12 is installed. It can suppress that the time until rushing becomes long.

  For example, based on the position information, the call table is periodically rewritten so that a predetermined number of portable terminals 11 selected in the order from the interphone slave unit 12 are called. In this way, a guard who possesses the mobile terminal 11 selected in the order from the interphone handset 12 can respond to a call from the interphone handset 12, and the guard can handle the interphone handset. It can suppress that time until it rushes to the place where 12 is installed becomes long.

  Further, according to the present embodiment, when the monitoring camera 18 images a suspicious person and the analysis device 19 detects the suspicious person, the call signal is sent to the interphone slave unit 12 arranged in association with the monitoring camera 18. Is sent. As a result, the interphone handset 12 calls the mobile terminals 11 around the interphone handset 12 based on the call table that is regularly updated. For this reason, the guards around the surveillance camera 18 that captured the suspicious person can quickly rush to the place where the interphone slave unit 12 is installed.

  Further, when the camera unit 24 of the interphone slave unit 12 captures an image of a suspicious person and the analysis device 19 detects it, a calling signal is transmitted to the interphone slave unit 12 having the camera unit 24. As a result, the interphone handset 12 calls the mobile terminals 11 around the interphone handset 12 based on the call table that is regularly updated. For this reason, the guard in the circumference | surroundings of the intercom handset 12 which has the camera part 24 which imaged the suspicious person can rush quickly to the installation place of the said intercom handset 12.

  In the above-described embodiment, the operation of calling a predetermined number of mobile terminals 11 selected in the order from the interphone handset 12 that has been called has been illustrated. However, the calling mobile terminal 11 is the interphone handset that has been called. The number of mobile terminals 11 is not limited to a predetermined number selected in order from 12 and may be, for example, a predetermined number of mobile terminals 11 near an installation location such as an AED (automatic external defibrillator).

10: Interphone system, 11: Mobile terminal, 12: Interphone slave unit, 13: Interphone master unit, 15: Position information system, 18: Surveillance camera (camera), 19: Analysis device, 24: Camera unit

Claims (4)

Multiple mobile devices,
Interphone main unit,
An intercom handset capable of calling at least the portable terminal based on a predetermined calling table;
A location information system for periodically obtaining location information of the mobile terminal;
With
The call table is periodically rewritten based on the position information so that the mobile terminal existing in a predetermined range is called from the intercom slave.
Intercom system. Multiple mobile devices,
Interphone main unit,
An intercom handset capable of calling at least the portable terminal based on a predetermined calling table;
A location information system for periodically obtaining location information of the mobile terminal;
With
The call table is periodically rewritten based on the position information so that a predetermined number of the mobile terminals selected in order from the interphone slave unit are called.
Intercom system. further,
Multiple cameras,
An analysis device for analyzing imaging information of the plurality of cameras;
With
The plurality of cameras and the plurality of intercom slave units are arranged in association with each other,
When the analysis device detects an abnormality from the imaging information, the analysis device transmits a call signal to the interphone slave unit arranged in association with the camera that has captured the imaging information.
The intercom system according to claim 1 or 2. The plurality of intercom slaves have a camera unit,
further,
An analysis device for analyzing imaging information of each of the camera units;
When the analysis device detects an abnormality from the imaging information, the analysis device transmits a call signal to the interphone slave unit having the camera unit that images the imaging information.
The intercom system according to claim 1 or 2.

Images